necessary information through a Light-Emitting Diode (LED) system of
illumination. You may have been wondering how the T50 measures lighting
conditions and provides correct exposure. This is accomplished through the
Center-Weighted Averaging System by way of a silicon photocell. It reads
the entire viewing area with emphasis on the central portion where the
subject is most likely to be placed. Canon has used this system in all of its
"A" series cameras, and it has proven to be very reliable and accurate.
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